package com.jay.lang.clazz;

public class StringBufferCls {
	public static void main(String[] args) {
		StringBuffer sb = new StringBuffer(10);
		sb.append(new char[] {'a','f'});
		sb.append(20.1f);
		sb.append("xxooxx");
		
		System.out.println(sb);
		System.out.println(sb.delete(4, 5));
		System.out.println(sb.insert(4, "::"));
		
	}
}
